Home / 42,395.57-63,599.85-13,923.56

Finding the Fourth Proportional to 42,395.57, 63,599.85 and 13,923.56

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Solution

The fourth proportional to 42,395.57, 63,599.85 and 13,923.56 is: 20,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395.57 : 63,599.85 = 13,923.56 : x
  2. Step 2: Convert to fraction form
    42,395.57/63,599.85 = 13,923.56/x
  3. Step 3: Cross multiply
    42,395.57x = 63,599.85 × 13,923.56
  4. Step 4: Simplify right side
    42,395.57x = 885,536,486.47
  5. Step 5: Solve for x
    x = 885,536,486.47/42,395.57
  6. Step 6: Final answer
    x = 20,887.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.